皮皮学，免费搜题
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【单选题】
手足口病的传播途径是A.
皮肤黏膜接触
B.
消化道和皮肤黏膜接触
C.
消化道和呼吸道
D.
呼吸道和皮肤黏膜接触
E.
消化道、呼吸道和皮肤黏膜接触
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反馈参考答案：
举一反三
【简答题】绝热过程中外界对系统做功表达式为()。
【单选题】I ______ while reading the English textbook. Luckily, my roommate woke me up in time !
A.
had fallen asleep
B.
have fallen asleep
C.
fell asleep
D.
fall asleep
【单选题】I_______ while reading the English textbook. Luckily , my roommate woke me up in time!
A.
fell asleep
B.
had fallen asleep
C.
have fallen asleep
D.
fall asleep
【简答题】阅读理解。 Mr father woke me up early one summer morning when I was four and announced (宣布):'Get up, you're going with me to cut the grass in the garden.' The idea that my father thought I was old enou...
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